| Name | Clark County |
| Place Type | County |
| Located in | South Dakota, United States |
| Coordinates (lat, lon) | 44.8305223, -97.7503639 |
| Population | 4,403 |
| Elevation | 542 m |
| USGS GNIS FeatureID | 1266985 |
| Histopolis Place ID | 430594692 |
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| Border Colors: | Clark County | South Dakota |
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28 Townships, 2 Cities, 5 Towns (Township is assumed unless noted)
2 Cities, 5 Towns, 13 Unincorporated Places (u.p.) (Unincoporated Place (u.p.) is assumed unless noted)
| Bradley (town) | Carlton (historical u.p.) | Carpenter | Clark (city) |
| Crocker | Elrod | Garden City (town) | Gros (historical u.p.) |
| Huron Colony | Julian (historical u.p.) | Keefton (historical u.p.) | Lily (historical u.p.) |
| Melham | Merton (historical u.p.) | Naples (town) | Pitrodie (historical u.p.) |
| Raymond (town) | Success (historical u.p.) | Vienna (town) | Willow Lake (city) |